#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<assert.h>
#include<stdlib.h>
typedef int SLDataType;
#define IntCapacity 4
typedef struct SeqList
{
	SLDataType* a;
	int size;
	int capacity;
}SL;
void SLInt(SL* p);
void SLDestroy(SL* p);
void SLPrint(SL* p);
void SLExpand(SL* p);
void SLPopBack(SL* p);